A TELECOMMUNICATIONS LINK MODEL FOR DEEP SPACE, WITH APPLICATIONS TO THE HELIOS PROBE
AffiliationDeutsche Forschungs-und Versuchsanstalt fur Luft-und Raumfahrt
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RightsCopyright © International Foundation for Telemetering
Collection InformationProceedings from the International Telemetering Conference are made available by the International Foundation for Telemetering and the University of Arizona Libraries. Visit http://www.telemetry.org/index.php/contact-us if you have questions about items in this collection.
AbstractThe concept of the coherent PCM/PSK/PM telecommunication system of the US/German solar probe mission HELIOS is presented. Subsystem performance models are given for the telemetry link using theoretical, simulation, and measurement results, to obtain a realistic approximation to the over-all link performance. After the system description, performance/ efficiency models are discussed for the (sequential) data decoder, symbol synchronizer, subcarrier and RF demodulation, and waveform distortion. The integrated over-all link model is then applied to minimizing the total signal-to-noise ratio requirement at receiver input. Examples from the HELIOS link design demonstrate the feasability of the approach.
SponsorsInternational Foundation for Telemetering